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IT Support & Hardware · Advanced

Hotpatch

A Windows update method that applies security fixes in memory without requiring a restart.

Definition

Hotpatch is available for Windows Server Azure Edition, Windows Server 2025 with Azure Arc, and Windows 11 Enterprise 24H2 or later on eligible devices managed by Intune. Hotpatch months require no reboot, while quarterly baseline months still do. It reduces downtime and speeds patch compliance.

Example

Intune hotpatch policy keeps Windows 11 Enterprise devices patched with reboots only four times a year.

Exam tip

Hotpatch still requires periodic baseline restarts.

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